ammyyadmin | 9b2c30dc5aafedd4d20f19b0eb66d74e452c9a7a612304423f3dcd2eb2782c09

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
13-09-2024 08:58

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General

Target

de19b0314f824d0a5f4bd9703ffc4382_JaffaCakes118.exe
Size

1012KB
MD5

de19b0314f824d0a5f4bd9703ffc4382
SHA1

8c034ef6a96342ce3341b488ea84f9e147bfb8d1
SHA256

9b2c30dc5aafedd4d20f19b0eb66d74e452c9a7a612304423f3dcd2eb2782c09
SHA512

f9dce52f3acb320d6ea2bc7d6b27d309fb9cb04d2ee387c0aa97a2c2dbf0a8ef24a5c03304bdb55d8124f133f02ac415c778bd6b33b19e9f0f3c30e3bc5022b7
SSDEEP

24576:+MjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsx3:7J5gEKNikf3hBfUiWx3

Score

10^/10

ammyyadmin discovery rat upx

Malware Config

Signatures

Ammyy Admin
Remote admin tool with various capabilities.
rat ammyyadmin

AmmyyAdmin payload 1 IoCs

resource	yara_rule
behavioral2/files/0x000c000000023b1e-7.dat	family_ammyyadmin

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation	de19b0314f824d0a5f4bd9703ffc4382_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2092	budha.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3640-0-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/files/0x000c000000023b1e-7.dat	upx
behavioral2/memory/3640-11-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/memory/2092-20-0x0000000000400000-0x0000000000410000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	de19b0314f824d0a5f4bd9703ffc4382_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	budha.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3640 wrote to memory of 2092	3640	de19b0314f824d0a5f4bd9703ffc4382_JaffaCakes118.exe	86
PID 3640 wrote to memory of 2092	3640	de19b0314f824d0a5f4bd9703ffc4382_JaffaCakes118.exe	86
PID 3640 wrote to memory of 2092	3640	de19b0314f824d0a5f4bd9703ffc4382_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\de19b0314f824d0a5f4bd9703ffc4382_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\de19b0314f824d0a5f4bd9703ffc4382_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3640
- C:\Users\Admin\AppData\Local\Temp\budha.exe
  "C:\Users\Admin\AppData\Local\Temp\budha.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2092

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\budha.exe

Filesize
1012KB

MD5
219762133d8ca92ea49d962b7d9ddc24

SHA1
9df6feac7edc83e4ee5a2d8b73e05a2706c7ec6f

SHA256
e9f96a486f48c06fa59b4cd6bd9783a7215ad69e5abcb65861fd1edbd1564cbf

SHA512
1191e892384eab66b0a83cb4f8113c90e3506d73479d63f300c3fcf3be65b40313b54c27d37369423d1b4cca95663ac5630c26df2fb0d6bd9d379ed02334c10a

Download Submit
memory/2092-13-0x00000000026B0000-0x0000000002AB0000-memory.dmp

Filesize
4.0MB

Download
memory/2092-12-0x0000000002360000-0x0000000002361000-memory.dmp

Filesize
4KB

Download
memory/2092-20-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3640-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3640-1-0x0000000000520000-0x0000000000521000-memory.dmp

Filesize
4KB

Download
memory/3640-3-0x00000000026A0000-0x0000000002AA0000-memory.dmp

Filesize
4.0MB

Download
memory/3640-11-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download